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Derivative Instruments and Hedging Activities - Fair Value of Derivatives Designated and Note Designated as Hedging Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2016 | Jun. 30, 2015
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Fair value of derivatives |  |
Total derivatives | $ (429) | $ 2,634
Designated as Hedging Instrument [Member] |  |
Fair value of derivatives |  |
Total derivatives | 323 | 2,626
Not Designated as Hedging Instrument [Member] |  |
Fair value of derivatives |  |
Total derivatives | (752) | 8
Range Forward Contracts [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member] |  |
Fair value of derivatives |  |
Derivative assets designated as hedging instruments | 323 | 2,626
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member] |  |
Fair value of derivatives |  |
Derivative assets designated as hedging instruments | 11 | 52
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member] |  |
Fair value of derivatives |  |
Derivative liabilities designated as hedging instruments | $ (763) | $ (44)

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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226000-175313 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=51814546&loc=SL51823488-111719 + Details
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